[Polymarket VP of Engineering: 'Ghost fills' ratio drops from 30% peak to 0.17%] Odaily Planet Daily News: Polymarket's newly appointed VP of Engineering, Josh Stevens, stated on the X platform that with the launch of the Deposit Wallets functionality, the ratio of ghost fills has dropped from a peak of 30% to 0.17%, and is expected to continue trending toward 0% throughout the day.